69 static struct media_entity *find_entity(struct media_device *mdev, u32 id)  in find_entity()  argument
76 	spin_lock(&mdev->lock);  in find_entity()
78 	media_device_for_each_entity(entity, mdev) {  in find_entity()
81 			spin_unlock(&mdev->lock);  in find_entity()
86 	spin_unlock(&mdev->lock);  in find_entity()
91 static long media_device_enum_entities(struct media_device *mdev,  in media_device_enum_entities()  argument
101 	ent = find_entity(mdev, u_ent.id);  in media_device_enum_entities()
129 static long __media_device_enum_links(struct media_device *mdev,  in __media_device_enum_links()  argument
134 	entity = find_entity(mdev, links->entity);  in __media_device_enum_links()
177 static long media_device_enum_links(struct media_device *mdev,  in media_device_enum_links()  argument
186 	rval = __media_device_enum_links(mdev, &links);  in media_device_enum_links()
196 static long media_device_setup_link(struct media_device *mdev,  in media_device_setup_link()  argument
210 	source = find_entity(mdev, ulink.source.entity);  in media_device_setup_link()
211 	sink = find_entity(mdev, ulink.sink.entity);  in media_device_setup_link()
282 static long media_device_enum_links32(struct media_device *mdev,  in media_device_enum_links32()  argument
298 	return __media_device_enum_links(mdev, &links);  in media_device_enum_links32()
349 	struct media_device *mdev = devnode->media_dev;  in show_model()  local
351 	return sprintf(buf, "%.*s\n", (int)sizeof(mdev->model), mdev->model);  in show_model()
360 static void media_device_release(struct media_devnode *mdev)  in media_device_release()  argument
374 int __must_check __media_device_register(struct media_device *mdev,  in __media_device_register()  argument
380 	if (WARN_ON(mdev->dev == NULL || mdev->model[0] == 0))  in __media_device_register()
383 	mdev->entity_id = 1;  in __media_device_register()
384 	INIT_LIST_HEAD(&mdev->entities);  in __media_device_register()
385 	spin_lock_init(&mdev->lock);  in __media_device_register()
386 	mutex_init(&mdev->graph_mutex);  in __media_device_register()
393 	mdev->devnode = devnode;  in __media_device_register()
395 	devnode->parent = mdev->dev;  in __media_device_register()
397 	ret = media_devnode_register(mdev, devnode, owner);  in __media_device_register()
400 		mdev->devnode = NULL;  in __media_device_register()
407 		mdev->devnode = NULL;  in __media_device_register()
422 void media_device_unregister(struct media_device *mdev)  in media_device_unregister()  argument
428 	media_devnode_unregister_prepare(mdev->devnode);  in media_device_unregister()
430 	list_for_each_entry_safe(entity, next, &mdev->entities, list)  in media_device_unregister()
433 	device_remove_file(&mdev->devnode->dev, &dev_attr_model);  in media_device_unregister()
434 	media_devnode_unregister(mdev->devnode);  in media_device_unregister()
436 	mdev->devnode = NULL;  in media_device_unregister()
445 int __must_check media_device_register_entity(struct media_device *mdev,  in media_device_register_entity()  argument
450 	entity->parent = mdev;  in media_device_register_entity()
452 	spin_lock(&mdev->lock);  in media_device_register_entity()
454 		entity->id = mdev->entity_id++;  in media_device_register_entity()
456 		mdev->entity_id = max(entity->id + 1, mdev->entity_id);  in media_device_register_entity()
457 	list_add_tail(&entity->list, &mdev->entities);  in media_device_register_entity()
458 	spin_unlock(&mdev->lock);  in media_device_register_entity()
473 	struct media_device *mdev = entity->parent;  in media_device_unregister_entity()  local
475 	if (mdev == NULL)  in media_device_unregister_entity()
478 	spin_lock(&mdev->lock);  in media_device_unregister_entity()
480 	spin_unlock(&mdev->lock);  in media_device_unregister_entity()